109. Photograph of Maxim Gorky Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
110. Manual dexterity test for female worker. Arrows point to the direction where the pegs should go. It appears the round pieces of wood are flipped from a dark side to a light side. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
111. Manual dexterity test for female worker. Arrows point to the direction where the pegs should go. It appears the round pieces of wood are flipped from a dark side to a light side. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
112. Manual dexterity test for female worker. Arrows point to the direction where the pegs should go. The pegs and washers are removed, with the washers stacked on a pole. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
113. Manual dexterity test for female worker. Arrows point to the direction of movement. The washers are removed and reattached to the pegs. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
114. Manual dexterity test for female worker. Arrows point to the direction of movement. The washers are removed and reattached to the pegs. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
115. Manual dexterity test for female worker. Arrows point to the direction where the pegs should go. Hands cross as they move the pegs. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
116. Manual dexterity test for female worker. Arrows point to the direction where the pegs should go. Hands cross as they move the pegs. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
117. Manual dexterity test for female worker. Arrows point to the direction where the round pieces of wood should go. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
118. Manual dexterity test for female worker. Arrows point to the direction where the pegs should go. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
119. Arkwright's spinning machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: unknown Date: undated Format: Image Agent: unknown
120. Slaves pedaling on a water wheel used from ancient Egypt to China Collection: Early 20th Century Engineering Lantern Slides Set: History Date: undated Format: Image Agent: unknown